• The results show that the flow stress and peak strain increase with increasing strain rate or decreasing deformation temperature.

    结果表明:实验条件下,流变应力及峰值应变随变形温度的降低和应变速率的提高而增大。

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  • Effect of strain rates on peak flow stress is relate to deformation temperature.

    应变速率对峰值应力的影响与变形温度有关。

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  • The strain rate sensitivity exponent increases little with increasing deformation temperature.

    随着变形温度的提高,该合金的应变速率敏感指数值变化很小。

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  • Increasing deformation temperature, enhancing strain and increasing strain rate can accelerate transformation.

    变形温度的升高、变形量及变形速率的增加对相变有促进作用。

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  • Dynamic recovery and recrystallization of the composite generate with the increasing of deformation temperature.

    随变形温度升高,复合材料发生动态回复再结晶。

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  • The results show that the softening ratio increases with the increase of deformation temperature and interval time.

    结果表明,其静态软化率随变形温度的升高和道次间隔时间的延长而不断增加。

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  • The evolution law of microstructure and properties of 7a04 alloy at different deformation temperature and times was studied.

    研究了不同变形温度和变形次数下7a04铝合金组织与性能的变化规律。

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  • The dynamically recrystallized grain size increases with increasing deformation temperature and reduces with increasing strain rate.

    动态再结晶晶粒尺寸随着变形温度的升高而增大,随着应变速率的升高而减小。

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  • The results showed that the flow stress and deformed microstructure were greatly affected by strain rate and deformation temperature.

    结果表明:应变速率和变形温度对合金的流变应力与变形组织有显著影响。

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  • The results show that the flow stress and peak strain increase with either increasing strain rate or decreasing deformation temperature.

    试验结果表明,流变应力和峰值应变随变形温度的降低和应变速率的提高而增大。

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  • Effects of SS400 steel's deformation temperature and strain rates on its deformation behavior was studied using single pass compressing test.

    采用单道次压缩试验,研究了变形温度和变形速率对SS400钢热变形行为的影响。

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  • The deformation temperature is the main factor which affects the grain size of austenite or ferrite when the strain rate is not changed largely.

    说明在变形速率不太高的情况下,变形温度是影响奥氏体或铁素体晶粒尺寸的主要因素。

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  • Deformation, deformation temperature, deformation velocity and breaks after deformation have important influence on recrystallization grains grown.

    变形量,变形温度,变形速度,变形后间歇时间等因素对再结晶晶粒的长大有重要的影响。

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  • The size of dynamically recrystallized grain decreased with the increase of strain rate and increased with the increase of deformation temperature.

    动态再结晶晶粒尺寸随应变速率的增加而减小,随变形温度的增大而增大。

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  • With the increase of deformation temperature, thick second phase reduces, the strength of T6 alloy increases, but plastic decreases first and then increases.

    变形温度升高,合金中的粗大第二相减少,T6态铝合金强度随变形温度的升高而增大,塑性则先降低后增加。

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  • The effect of deformation temperature and deformation speed on the limit drawing ratio (LDR) and microstructure of the roll-casting AZ31 magnesium alloy sheet.

    研究了变形温度、变形速度对铸轧az31镁合金板的极限拉深比(ldr)和组织的影响。

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  • Impact rupture suface of the composites was observed by scanning electron microscope, and the load deformation temperature and mechanical properties were tested.

    通过扫描电镜观测了复合材料冲击断面的形貌,测试了复合材料的负荷变形温度和力学性能。

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  • In the past years, the models of flow stress were mainly focused on deformation temperature, deformation speed and deformation degree, but seldom on dislocation density.

    而以往的流动应力模型主要考察变形温度、变形速度和变形程度,对位错密度的研究很少。

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  • The results show that the dislocation density decreases and the subgrain sizes increase with the increase of deformation temperature and the decrease of the strain rate;

    结果表明:随着变形温度的升高和应变速率的减小,位错密度减小,亚晶粒尺寸增大;

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  • While for the alloys from milled powders, the compressive strength increased and the ductility decreased when enhancing deformation rate or lowering deformation temperature.

    对于球磨粉末烧结合金,增大变形速率或降低变形温度,合金的强度增大,延性降低。

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  • The microstructural changes produced by increasing the hydrogen content at a fixed deformation temperature correspond to those obtained by raising the deformation temperature.

    相同温度变形的试样中氢含量增加所产生的组织变化与在更高温度压缩后所产生的组织变化相当。

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  • The results show that the addition of mica can enhance the flexural strength, flexural modulus, notched Izod impact strength and heat deformation temperature of the composites;

    结果表明:云母可有效提高PP的弯曲强度及模量、悬臂梁缺口冲击强度和耐热性能;

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  • In this paper, the influence of various deformation temperature, deformation degree and deformation velocity on structure and properties of superalloys in forging process was discussed.

    本文讨论了在锻造过程中不同变形温度、变形程度、变形速度对高温合金组织和性能的影响。

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  • Coarse crystalline LC4 Aluminium Alloy presents certain superplasticity at lower deformation temperature and higher strain rate because it can create effective recrystallize refinement.

    粗晶lc 4合金在较低温度和较高应变速率条件下,因能产生有效的再结晶细化而呈现出一定的超塑性。

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  • The effect of deformation temperature on microstructure and property of MP159superalloy has been analysed and a reasonable range of deformation temperatures for MP159 alloy has been obtained.

    分析了变形温度对MP159 高温合金组织、性能的影响规律,得出了该合金合理的变形温度范围。

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  • The effects of deformation temperature and the strain rates on deformation behavior and microstructure of the semi-solid LY11 alloy were investigated in the condition of isothermal compression.

    研究了变形温度和应变速率对半固态LY11合金变形行为和微观组织的影响。

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  • With the decreases of deformation temperature and increases of deformation degree and deformation rate, the recrystallized grain size decreases and the recrystallization volume percent increases.

    随着变形温度的降低、变形程度和变形速率的增大,再结晶晶粒尺寸减小,再结晶体积分数增大。

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  • The microstructure of tensile samples was observed and analysed, and then the effect between stacking fault energy of TWIP steels and deformation temperature was calculated by thermodynamic model.

    观察分析了拉伸试样的显微组织,并利用热力学经典模型,估算了温度对孪晶诱发塑性(TWIP)钢层错能的影响。

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  • The influences of deformation temperature, deformation rate and deformation degree on the flow stress and grain size are different. The deformation degree mainly influences the shape of flow curves.

    结果表明:变形温度、变形速率和变形程度对流动应力和再结晶晶粒尺寸均有不同程度的影响。

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  • The results of experiments show that tensile strength, bend strength, bend modulus and heat deformation temperature of the composite materials are increased with the increase of carbon fibre content.

    随碳纤维比例的增大,该复合材料的拉伸强度、弯曲强度、弯曲模量及热变形温度均呈上升态势;而缺口冲击强度及击穿电压呈下降态势。

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